[evill33t]

16: 660162831 - numerical code of the countries (Anguillas,Christmasisland,Guernsey)

17: Thames voice hapless most - those words where different then in the orginal poem

18: nietzsche - image is binary code

19: heart of darkness - name of the source book

[denuoweb]

20: "feynman" by changing URL of image from /wrong/ to /right/

[1propionyl]

Don't want to post any V2.0 solutions. Obtuse hints only:

21: try, try again.

22: remember level 10?

[drpkr128]

...